package cn.itsource.pay.config;

import cn.itsource.pay.domain.AlipayInfo;
import cn.itsource.pay.domain.PayBill;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;

public class AliPayUtil {

    public static String pay(AlipayInfo alipayInfo, PayBill payBill) {
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(
                AliPayConfig.gatewayUrl,
               alipayInfo.getAppid(),
                alipayInfo.getMerchant_private_key() ,
                "json",
                AliPayConfig.charset,
                alipayInfo.getAlipay_public_key(),
                AliPayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AliPayConfig.return_url);
        alipayRequest.setNotifyUrl(AliPayConfig.notify_url);

        //商户订单号，商户网站订单系统中唯一订单号，必填
       // String out_trade_no = new String(request.getParameter("WIDout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        String out_trade_no = payBill.getOrderSn();
        //付款金额，必填
        //String total_amount = new String(request.getParameter("WIDtotal_amount").getBytes("ISO-8859-1"),"UTF-8");
        String total_amount = payBill.getMoney().toString();
        //订单名称，必填
        String subject =payBill.getDigest();
        //商品描述，可空
        String body = "宠物之家服务订单";

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"total_amount\":\""+ total_amount +"\","
                + "\"subject\":\""+ subject +"\","
                + "\"body\":\""+ body +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
        //alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
        //		+ "\"total_amount\":\""+ total_amount +"\","
        //		+ "\"subject\":\""+ subject +"\","
        //		+ "\"body\":\""+ body +"\","
        //		+ "\"timeout_express\":\"10m\","
        //		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = null;
        try {
            result = alipayClient.pageExecute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        return result;
    }

}
